package com.bnz.pojo;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.HashMap;
import java.util.List;
@AllArgsConstructor@NoArgsConstructor@Data
public class Book {
    private String[] name ;
    private List<Student> list;
    private HashMap<Integer,Student> map;

}
